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• How to export wave slices to the same bits per sample as the original file

  23 avril 2019, par tzujan

  I am looping through a large wave file, via a dictionary of new file names, lengths and versions. The loop exports the individual slices as files :

  mix.export(key, format='wav')

  However, it converts the original 24-bit file to 32-bit slices. I have been doing a round trip to pro tools to get the files back to 24, as I can’t figure out either ffmpeg settings, or getting the slice into a subprocess.

  I have tried several variations of this theme :

  mix.export(key, format='wav', codec='pcm_s24le')

  As well as this one :

  mix.export(k, format='wav', parameters=['ffmpeg', '-i', '-acodec', 'pcm_s24le', '-ar', '48000'])

  I can’t seem to get the individual slices to work in the following subprocess call. key is the file name from the key-value pair. This works well in the 32-bit export, but not sure how to make it work when a slice’s temp file, such as /var/folders/vc/q7jggn7900l099w45463lgx40000gn/T/tmpw_6mxyg8 needs to be called.

  subprocess.call(['ffmpeg', '-i', key, 
  
                   '-acodec', 'pcm_s24le', '-ar', '48000', 'output.wav'])

  Hoping for slices of the exact same format as the original input :

  mix_file = AudioSegment.from_wav(file_name)

• How to Write to AVI with OpenCV Python on Windows 10

  29 juillet 2019, par Novak

  I want to write properly formed frames of video data to an AVI.

  All attempts fail.

  What I end up with, after long efforts of debugging, are *.avi files of non-zero length in the desired directory, which will not play with any of multiple video players already installed on my system.

  Please note : High quality answers will be COMPLETE and DETAIL oriented. In particular, questions about writing video with OpenCV tend to generate drive-by responses including little more than another four-letter code to stick in fourcc. Answers which do so without also telling me at a minimum what file extension to use, what file type it will generate, and why it is expected to work over what I give above are unhelpful.

  Here are the salient details of the system :

  Operating System : Windows 10
  Language : Python 3.7, with Anaconda 3
  OpenCV : 4.1.0

  Here Is What I Have Done/Tried :

  Installed FFMPEG as per this link, restarted Anaconda, and verified ffmpeg (ffmpeg -version) from within Anaconda, with the following result :

  ffmpeg version N-94396-g47b6ca0b02 Copyright (c) 2000-2019 the FFmpeg developers
  
  built with gcc 9.1.1 (GCC) 20190716
  
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  
  libavutil      56. 32.100 / 56. 32.100
  
  libavcodec     58. 55.100 / 58. 55.100
  
  libavformat    58. 30.100 / 58. 30.100
  
  libavdevice    58.  9.100 / 58.  9.100
  
  libavfilter     7. 58.100 /  7. 58.100
  
  libswscale      5.  6.100 /  5.  6.100
  
  libswresample   3.  6.100 /  3.  6.100
  
  libpostproc    55.  6.100 / 55.  6.100

  Multiple variations on the theme of :

  import cv2
  
  fourcc = cv2.VideoWriter_fourcc(*"DIVX")
  
  vidout = cv2.VideoWriter(baseDir + "videos\\foo.avi", fourcc, 30, (530, 476))
  
  
  
  for frame in frames:
  
      <do stuff="stuff" to="to" generate="generate" foo="foo">
  
      cv2.imshow("foo", foo)
  
      vidout.write(foo)
  
  vidout.release()
  
  </do>

  Verified shape, dtype, and general viability of output data with cv2.imshow("foo", foo)

  Results : Unplayable AVI files

• Multicast video stream from Dahua IP surveillance camera - ffmpeg etc [closed]

  23 mai, par Jaroslav Mazurak

  I have a Dahua IP surveillance camera and want to get the video via a multicast stream.

  


  In the camera settings, I enabled Multicast streaming, IP 239.240.1.2, and port 40000 (the default). The RTSP port is 554 (the default).

  


  Neither VLC 3.0.21 nor ffmpeg 7.1.1 work when I try to use multicast. Both of them work when I use a unicast. OS is Windows 11 x64. Both applications are allowed in the Windows firewall (any protocol, all networks ; same result if the firewall is disabled completely). I have Wireshark installed, and I see that when a client requests the stream via RTSP, the multicast traffic from the camera is present ; ffmpeg determines the stream but doesn't capture any video, and the output file is empty (it contains only the header and no video). When I use unicast, the correct output video file is saved.

  


  I have no idea what I'm doing wrong, and why ffmpeg (and VLC) doesn't capture anything in the multicast mode.

  


  Here are the ffmpeg logs for multicast and unicast modes.

  


  Multicast :

  


  ffmpeg -fflags nobuffer -flags low_delay -timeout 10M -stats -rtsp_transport udp_multicast -i "rtsp://user:password@10.10.10.10:554/cam/realmonitor?channel=1&subtype=0&unicast=false" -acodec copy -vcodec copy -y output.mkv

ffmpeg version 7.1.1-full_build-www.gyan.dev Copyright (c) 2000-2025 the FFmpeg developers
  built with gcc 14.2.0 (Rev1, Built by MSYS2 projffmpeg -fflags nobuffer -flags low_delay -timeout 10M -stats -i "rtsp://user:password@10.10.10.10:554/cam/realmonitor?channel=1&subtype=0" -acodec copy -vcodec copy -y output.mkv

ffmpeg version 7.1.1-full_build-www.gyan.dev Copyright (c) 2000-2025 the FFmpeg developers
  built with gcc 14.2.0 (Rev1, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-lcms2 --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-libdvdnav --enable-libdvdread --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libopenjpeg --enable-libquirc --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-libqrencode --enable-librav1e --enable-libsvtav1 --enable-libvvenc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-liblc3 --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      59. 39.100 / 59. 39.100
  libavcodec     61. 19.101 / 61. 19.101
  libavformat    61.  7.100 / 61.  7.100
  libavdevice    61.  3.100 / 61.  3.100
  libavfilter    10.  4.100 / 10.  4.100
  libswscale      8.  3.100 /  8.  3.100
  libswresample   5.  3.100 /  5.  3.100
  libpostproc    58.  3.100 / 58.  3.100
Input #0, rtsp, from 'rtsp://user:password@10.10.10.10:554/cam/realmonitor?channel=1&subtype=0':
  Metadata:
    title           : Media Server
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #0:0: Video: hevc (Main), yuv420p(tv), 2560x1440, 25 fps, 25 tbr, 90k tbn
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Output #0, matroska, to 'output.mkv':
  Metadata:
    title           : Media Server
    encoder         : Lavf61.7.100
  Stream #0:0: Video: hevc (Main), yuv420p(tv), 2560x1440, q=2-31, 25 fps, 25 tbr, 1k tbn
Press [q] to stop, [?] for help
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=00:00:01.32 bitrate=   0.0kbits/s speed= 2.6x    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=00:00:01.84 bitrate=   0.0kbits/s speed=1.81x    
frame=   10 fps=6.5 q=-1.0 size=       1KiB time=00:00:02.36 bitrate=   2.2kbits/s speed=1.53x    
frame=   23 fps= 11 q=-1.0 size=       1KiB time=00:00:02.88 bitrate=   1.8kbits/s speed= 1.4x    
frame=   36 fps= 14 q=-1.0 size=       1KiB time=00:00:03.40 bitrate=   1.5kbits/s speed=1.33x    
frame=   49 fps= 16 q=-1.0 size=       1KiB time=00:00:03.92 bitrate=   1.3kbits/s speed=1.27x    
frame=   62 fps= 17 q=-1.0 size=     256KiB time=00:00:04.44 bitrate= 472.3kbits/s speed=1.23x    
frame=   75 fps= 18 q=-1.0 size=     256KiB time=00:00:04.96 bitrate= 422.8kbits/s speed= 1.2x    
frame=   88 fps= 19 q=-1.0 size=     256KiB time=00:00:05.48 bitrate= 382.7kbits/s speed=1.18x    
frame=  100 fps= 19 q=-1.0 size=     256KiB time=00:00:05.96 bitrate= 351.9kbits/s speed=1.16x    
frame=  113 fps= 20 q=-1.0 size=     768KiB time=00:00:06.48 bitrate= 970.9kbits/s speed=1.14x    
frame=  126 fps= 20 q=-1.0 size=     768KiB time=00:00:07.00 bitrate= 898.8kbits/s speed=1.13x    
frame=  139 fps= 21 q=-1.0 size=     768KiB time=00:00:07.52 bitrate= 836.6kbits/s speed=1.12x    
frame=  152 fps= 21 q=-1.0 size=    1280KiB time=00:00:08.04 bitrate=1304.2kbits/s speed=1.11x    
frame=  165 fps= 21 q=-1.0 size=    1280KiB time=00:00:08.56 bitrate=1225.0kbits/s speed=1.11x    
frame=  178 fps= 22 q=-1.0 size=    1280KiB time=00:00:09.08 bitrate=1154.8kbits/s speed= 1.1x    
frame=  191 fps= 22 q=-1.0 size=    1280KiB time=00:00:09.60 bitrate=1092.3kbits/s speed= 1.1x    
frame=  203 fps= 22 q=-1.0 size=    1792KiB time=00:00:10.08 bitrate=1456.4kbits/s speed=1.09x    
frame=  217 fps= 22 q=-1.0 size=    1792KiB time=00:00:10.64 bitrate=1379.7kbits/s speed=1.09x    


[q] command received. Exiting.

[out#0/matroska @ 000001e0329cad80] video:2377KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.100389%
frame=  230 fps= 22 q=-1.0 Lsize=    2380KiB time=00:00:11.16 bitrate=1746.9kbits/s speed=1.08x    
ect)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-lcms2 --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-libdvdnav --enable-libdvdread --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libopenjpeg --enable-libquirc --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-libqrencode --enable-librav1e --enable-libsvtav1 --enable-libvvenc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-liblc3 --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      59. 39.100 / 59. 39.100
  libavcodec     61. 19.101 / 61. 19.101
  libavformat    61.  7.100 / 61.  7.100
  libavdevice    61.  3.100 / 61.  3.100
  libavfilter    10.  4.100 / 10.  4.100
  libswscale      8.  3.100 /  8.  3.100
  libswresample   5.  3.100 /  5.  3.100
  libpostproc    58.  3.100 / 58.  3.100
Input #0, rtsp, from 'rtsp://user:password@10.10.10.10:554/cam/realmonitor?channel=1&subtype=0&unicast=false':
  Metadata:
    title           : Media Server
  Duration: N/A, bitrate: N/A
  Stream #0:0: Video: hevc (Main), yuv420p(tv), 2560x1440, 25 tbr, 90k tbn
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Output #0, matroska, to 'output.mkv':
  Metadata:
    title           : Media Server
    encoder         : Lavf61.7.100
  Stream #0:0: Video: hevc (Main), yuv420p(tv), 2560x1440, q=2-31, 25 tbr, 1k tbn
Press [q] to stop, [?] for help
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=N/A bitrate=N/A speed=N/A    
[in#0/rtsp @ 0000014b1a80a580] Error during demuxing: Error number -138 occurred
[out#0/matroska @ 0000014b1a7ee700] video:0KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: unknown
[out#0/matroska @ 0000014b1a7ee700] Output file is empty, nothing was encoded
frame=    0 fps=0.0 q=-1.0 Lsize=       1KiB time=N/A bitrate=N/A speed=N/A    


  


  Unicast :

  


  ffmpeg -fflags nobuffer -flags low_delay -timeout 10M -stats -i "rtsp://user:password@10.10.10.10:554/cam/realmonitor?channel=1&subtype=0" -acodec copy -vcodec copy -y output.mkv

ffmpeg version 7.1.1-full_build-www.gyan.dev Copyright (c) 2000-2025 the FFmpeg developers
  built with gcc 14.2.0 (Rev1, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-lcms2 --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-libdvdnav --enable-libdvdread --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libopenjpeg --enable-libquirc --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-libqrencode --enable-librav1e --enable-libsvtav1 --enable-libvvenc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-liblc3 --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      59. 39.100 / 59. 39.100
  libavcodec     61. 19.101 / 61. 19.101
  libavformat    61.  7.100 / 61.  7.100
  libavdevice    61.  3.100 / 61.  3.100
  libavfilter    10.  4.100 / 10.  4.100
  libswscale      8.  3.100 /  8.  3.100
  libswresample   5.  3.100 /  5.  3.100
  libpostproc    58.  3.100 / 58.  3.100
Input #0, rtsp, from 'rtsp://user:password@10.10.10.10:554/cam/realmonitor?channel=1&subtype=0':
  Metadata:
    title           : Media Server
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #0:0: Video: hevc (Main), yuv420p(tv), 2560x1440, 25 fps, 25 tbr, 90k tbn
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Output #0, matroska, to 'output.mkv':
  Metadata:
    title           : Media Server
    encoder         : Lavf61.7.100
  Stream #0:0: Video: hevc (Main), yuv420p(tv), 2560x1440, q=2-31, 25 fps, 25 tbr, 1k tbn
Press [q] to stop, [?] for help
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=00:00:01.32 bitrate=   0.0kbits/s speed= 2.6x    
frame=    0 fps=0.0 q=-1.0 size=       0KiB time=00:00:01.84 bitrate=   0.0kbits/s speed=1.81x    
frame=   10 fps=6.5 q=-1.0 size=       1KiB time=00:00:02.36 bitrate=   2.2kbits/s speed=1.53x    
frame=   23 fps= 11 q=-1.0 size=       1KiB time=00:00:02.88 bitrate=   1.8kbits/s speed= 1.4x    
frame=   36 fps= 14 q=-1.0 size=       1KiB time=00:00:03.40 bitrate=   1.5kbits/s speed=1.33x    
frame=   49 fps= 16 q=-1.0 size=       1KiB time=00:00:03.92 bitrate=   1.3kbits/s speed=1.27x    
frame=   62 fps= 17 q=-1.0 size=     256KiB time=00:00:04.44 bitrate= 472.3kbits/s speed=1.23x    
frame=   75 fps= 18 q=-1.0 size=     256KiB time=00:00:04.96 bitrate= 422.8kbits/s speed= 1.2x    
frame=   88 fps= 19 q=-1.0 size=     256KiB time=00:00:05.48 bitrate= 382.7kbits/s speed=1.18x    
frame=  100 fps= 19 q=-1.0 size=     256KiB time=00:00:05.96 bitrate= 351.9kbits/s speed=1.16x    
frame=  113 fps= 20 q=-1.0 size=     768KiB time=00:00:06.48 bitrate= 970.9kbits/s speed=1.14x    
frame=  126 fps= 20 q=-1.0 size=     768KiB time=00:00:07.00 bitrate= 898.8kbits/s speed=1.13x    
frame=  139 fps= 21 q=-1.0 size=     768KiB time=00:00:07.52 bitrate= 836.6kbits/s speed=1.12x    
frame=  152 fps= 21 q=-1.0 size=    1280KiB time=00:00:08.04 bitrate=1304.2kbits/s speed=1.11x    
frame=  165 fps= 21 q=-1.0 size=    1280KiB time=00:00:08.56 bitrate=1225.0kbits/s speed=1.11x    
frame=  178 fps= 22 q=-1.0 size=    1280KiB time=00:00:09.08 bitrate=1154.8kbits/s speed= 1.1x    
frame=  191 fps= 22 q=-1.0 size=    1280KiB time=00:00:09.60 bitrate=1092.3kbits/s speed= 1.1x    
frame=  203 fps= 22 q=-1.0 size=    1792KiB time=00:00:10.08 bitrate=1456.4kbits/s speed=1.09x    
frame=  217 fps= 22 q=-1.0 size=    1792KiB time=00:00:10.64 bitrate=1379.7kbits/s speed=1.09x    


[q] command received. Exiting.

[out#0/matroska @ 000001e0329cad80] video:2377KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.100389%
frame=  230 fps= 22 q=-1.0 Lsize=    2380KiB time=00:00:11.16 bitrate=1746.9kbits/s speed=1.08x